Mike,
This is not allowed.
See RFC 2445, Section 4.6.1 Event Component, Page 53:
The "VEVENT" is also the calendar component used to specify an
anniversary or daily reminder within a calendar. These events have a
DATE value type for the "DTSTART" property instead of the default
data type of DATE-TIME. If such a "VEVENT" has a "DTEND" property, it
MUST be specified as a DATE value also.
Cheers,
Bernard
Mike Douglass wrote:
> Slightly related, is a vevent DATE DTEND allowed with a DATE-TIME
> DTSTART and if so what does it mean?
>> I could only find that a DATE DTSTART requires a DATE DTEND if present.
>